Qbus split I&D?
bqt at update.uu.se
Mon Mar 16 07:43:55 CDT 2015
On 2015-03-16 13:40, Roe Peterson wrote:
> Was the J11 chipset (11/73, 83, and 93) the only qbus processor with separate instruction and data space? And did 2.9BSD ever run without it?
Yes, the J11 is the only chipset that have split I&D space. All other
I&D space processors were made with several boards.
And yes, as far as I know, 2.9BSD should be able to run on a J11. I
don't remember if it was capable of taking advantage of split I&D space,
but I think it was.
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